import React from 'react';

class Page extends React.Component {
  constructor(props) {
    super(props);
  }
  componentDidMount() {
    console.log('entering...')
  }
  componentWillUnmount() {
    console.log('leaving...')
  }
  render() {
    return (
      <div>
        网页。。。
      </div>
    );
  }
}
export default Page;
